(CNN) - An American nurse who has tested negative for Ebola is being released after days in quarantine in New Jersey.

Kaci Hickox, who told CNN the quarantine was violating her rights, is being discharged, New Jersey Gov. Chris Christie's office said Monday.

Hickox was put in isolation Friday after returning to New Jersey from a month in Sierra Leone.

Her quarantine, part of a days-old policy the governors of New York and New Jersey instituted for all health care workers who've had contact with Ebola patients in West Africa, has been criticized widely by health care experts.

(CNN) - Shots that rang out in the Canadian capital Wednesday left a soldier and a gunman dead, a city on lockdown, and a series of questions about security threats facing the nation.

Parliament member Kyle Seeback called it a "horrific day."

And it may not be over yet.

Authorities haven't ruled out the possibility that an additional shooter could be on the loose. And Ottawa Police Constable Chuck Benoit told CNN that there was more than one person involved in the shootings.

(CNN) – An Ebola-stricken Texas nurse will fly to a Maryland hospital that specializes in the deadly virus. Nina Pham is being sent to a National Institutes of Health hospital in Maryland for specialized Ebola treatment.

(CNN) – Centers for Disease Control and Prevention Director Dr. Tom Frieden said Wednesday that banning all travel to West Africa to prevent the spread of the Ebola virus would cause more problems than it would solve.

"It makes it hard to get health workers in, because they can't get out," he said. "If we make it harder to respond to the outbreak in West Africa, it will spread not only in those three countries (in West Africa hit hardest by Ebola) but to other parts of Africa and ultimately increase the risk here" in the United States.

(CNN) – A patient has been admitted to the emergency room "after reporting possible exposure to the Ebola virus," Texas Health Presbyterian Dallas said in a statement Wednesday. "Right now, there are more questions than answers about this case," the hospital said. "Our professional staff of nurses and doctors is prepared to examine the patient, discuss any findings with appropriate agencies and officials."

Asked about the case by reporters, CDC Director Dr. Tom Frieden said the patient "does not have either definite contact with Ebola or definite symptoms of Ebola."

The patient had reported being in the Dallas apartment where Duncan had been staying and having "some contact" with Duncan's family members, Frisco Fire Chief Mark Piland told reporters.

The patient exhibited several possible symptoms of Ebola, Piland said.

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